Machine for treating cinematographic films



July 10, 1923.

G. A. SALENS MACHINE FOR TREATING CINEMATOGRAPHIC FILMS l t e e h S B t, 0 w .n S 5 2 w 1 I 9 WM 2 h C r a M. d e l 1 F.

August Saline,

Attorney.

July 10, 1923; M1329 G. A. SALINS MACHINE FOR TREATING CINEMATOGRAPHIC FILMS Filed Magoh 29, 1922 3 sheets-sheet- 2 G AQQUSYI HSCLLIHSP INVENTOR;

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G. A. SALINS MACHIN E FOR TREATING CINEMATOGRAPHIC FILMS July 10, 1923.

Filed March 29. 1922 3 Sheets-Sheet 5 Geb s INVE NTO R,

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GEORGES AUGUSTIN SALIN S. OF VINCENNES, FRANCE, ASSIGNOR TO PATH'E CINEMA,

I ANCIENS ETABLISSEMENTS PATHE FRERESyOF PABIS.FRANCE. V I

MACHINE FOR TREATING ciNEMeToGaAPHro FILMS.

Application filed March 29, 1922. Serial m. 547,716;

To all wlz o m z't may concern:

Be it known that I, GEORGES AUGUSTIN SALINS, citizen of the Republic ofFrance, residing at Vincennes, Seine, in the Republic of France,'have'invented-new and' useful Improvements in Machines for Treating Cinematographic Films, of 'WlllCll the following is a; specification.

This invention-relates to'improvements in 10 the machine for treating motion picture films described in the U. S. patent application Ser. N 404764-filed Aug. '20, 1920. These improvements are clearly set forth in the following-description. In the accompanying drawing given by way of example: Y I

Fig;-'1 is a view of the improved machine invertical longitudinal section along the. line A--A, Fig. 2. Fig. 2 'is' a cross section along the line B-B, Fig.1. 1

Fig.3 15 an endview of the frame serving to support the upper reels.

Fig. 4 is a plan view ofthese two elements andthe arrangement for actuating the shafts. v a The. new construction comprises in the upper part onlythreeshafts b, c-and d.

39 The main upper shafts b, c are mounted on a level higher than the upper edge of the. tanks so that the film can be led directly-toor from a roller or feeding drum mounted on said shafts. In this manner,.the upper shaft used in the construction according to the prior application above referred to, may

' be omitted. a

- In the example of construction indicated, the two upper shafts are each actuated by 40 a-pair of bevel gears andthe parts of the- 5 keyed to one-of the upper shafts b, '0. The

upper shafts b,-c instead of being main tained, as in the said prior application by a frame: constituting a cover. are maintained by a frame occupying a less space in such manner thatthe periphery speed of two elements '25 showing the spare or storage device between readily observed that the only resistance to 'be overcome by, the filminits entraining formed of two cheeks 1-, I'- a'ud cross-braced onlyby a simple bar 9'. v

The lower part of the reel-holding device is constituted by a rectangular frame comprising two cross rods '0, 0' connected together by two longitudinal Irods"7.--. The

cross rods 0, o are hung to two vertical rods-1" and s by. pivoted yokes or forks 8, 9 (Fig. 1); The shafts e and f supporting the lower reels are connected with the frame 7 ,by uprights or arms 10 (Figs 1 and 2).

Said arms are themselves cross-braced by a bar 11 carrying the cheeks '12 for support ing the shafts e and 7 between the reels.

The reels or: rollers are mounted as fol- Lows: the lower reels are loose on the shjafts e and fz'the upperreels are mountedf lby' easy friction on the shafts b, .c andd. Moreover,.the diameter of the reel is slightly '2 greater than that of the entraining drums 5 the former is slightly above that ofthe I drums. In this manner the upper reels will 1 accompany the shafts inst-heir rotation when no eflort' acts to brake the same. It is in the machine is reduced to the entraining bf the lower reels, and to overcome this re, Sl StiLnCethe film is aided by theslight- {traction exerted upon 'it inthe direction of travel by the upper reels whose periphery I speed i s-slightly superior to the speed of.

movement of the film in the machine; The

diameter of the reels is suflicient in order that the entraiiiing of the reels by friction shall be reallyeffective. The toothed drum m serves here only to regularize theoutput,-

Another particular feature whichalso forms part of the object of the present in vention consists inthe fact that the support the admission feed drfiisprovided with an uncoupling device 18 (Fig. 4) which permits of arresting the admission of the band fora certain time, and this reduces the" 95 'of each element instead of-being mounted".

er reels being at the desired height, the ad:

mission feed drum is again engaged and the rod 1" is secured by means of the milled knob /c. In the contrary case, a change-speed device 19 (Fig. l) is used to accelerate the 1 speed of this feed drum and this causes the descent of the movable part of the element. An indicating signal device is provided in case of breakage of the film; to this effect the rod 8 is provided with an adjustable stop ring 15 (Fig. 1) which carries a contact piece 16 while another contact piece 17 is secured to the fixed frame of the apparatus. Jpon breakage of the film, the frame 7 (Fig. 1) will pivot about the fork 8 since the rod is held stationary by k, but its fall is stopped by the stop ring before the reels come in contact with the bottom of the tank, and at the same time the contact of 16 and 17 closes the circuit of an electric bell which gives warning of the accident. The present invention is naturally not limited to the particular constructional dispositions which have been given above solely by way of example. Having now described my invention, what 1 claim as new and desire to secure by Letters Patent is: v

1. A machine for treating cinematograph films comprising a treating vat, two upper longitudinal shafts'arranged in the upper part of said vat on a level higher than the upper edge of said vat, an intermediate longitudinal shaft on a lower level than the upper shafts, two lower longitudinal shafts arranged in the bottom of the vat, means for supporting the lower shafts at a variable height in the 'vat,- film supporting rollers placed end to end upon said shafts and so arranged that the film is transported in the longitudinal direction of the vat for a distance equal to the length of one roller during a vertical zig-Zag movement of said film from one of the upper rollers to the next adjacent upper roller and means for feeding the film around the rollers.

2. A machine for treating cinematograph films comprising a treating vat, two upper longitudinal shafts arranged in the upper part of said vat on a level higher than the upper edge of said vat, an intermediate longitudinal shaft on a lower level than the upper shaft, two lateral vat, means for supporting the lower shafts at a variable height in the vat, film supporting rollers placed-end to end upon said shafts and so arranged that the film is trans ported in the longitudinal direction of the vat for a distance equal to the length of one roller during a vertical ziz-zag movement of said film from one of the upperrollers to the next adjacent upper roller and means for feeding the filmaround the rollers.

3. A machine for treating cinematograph films comprising a treating vat, two upper longitudinal shafts arranged in the upper part of said vat, on a level higher than the upper edge ofsaid vat, an intermediate longitudinal shaft on a lower level than the uper shafts, two lower longitudinal shafts arranged in the bottom of the vat, means for supporting the lower shafts at a variable height in the vat, film supporting rollers placed end to end upon said shafts and so arranged that the film is transported in the longitudinal direction of the vat for a distance equal to the length of one roller during a vertical zig-zag movement of said film from one of the upper rollers to the next adjacent upper roller and a feeding drum on one of the upper shafts. the rollers on the lower shafts being loosely mounted upon said shafts and the rollers upon the upper and intermediate shafts being mounted with a slight friction upon said shafts and having a diameter slightly greater than v the said feeding drum.

4. A machine for treating cinematograph films comprising a treating vat, two upper longitudinal shafts arranged 'in the upper part of said vat on a level higher than the upper edge of said vat, an intermediate longitudinal shaft on a lower level than the upper shafts, two lower longitudinal shafts arranged in the bottom of the vat, two pairs of vertigal arms in which said lower shafts are rotatably supported respectively, two longitudinal supporting rods for connecting to each other the upper ends of the vertical arms in each pair respectively, two longitudinal brace rods for connecting to each other, the lower ends of said vertical arms in each pair, respectively, two cross bars connecting said rods to each other at the ends, means for supporting said cross bars at a variable height in the vat, film supporting rollers placed end to end upon said shafts and so arranged that the film is transported in the longitudinal direction of the vat for a distance equal to the length of one roller during a vertical zig-zag movement of said film from one of ing to each other the upper ends of longitudinalshafts arranged in the upper part of said vat on a level higher than the upper edge of said vat, an intermediate longitudinal shaft on a lower lever than the upper shafts, two lower longitudinal shafts arranged in the bottom of the vat, two pairs of vertical arms in which said lower shafts .are rotatably supported respectively, two

longitudinal supporting rods for connectthe vertical arms in each pair respectively, two longitudinal brace rods for connecting to each other the'lower ends of said vertical arms in each pair, respectively, two cross bars connecting said rods to each other at the ends, suspending rods for carrying said cross bars, an adjustable stop ring on one of said suspending rods, a contactmember on said stop ring, a fixed contact on the vat adapted to engage with the contact member for limiting the descent of the lower shafts in the case of breakage of the film while producing a signal at the same time, film supporting rollers placed end to end upon said shafts and so arranged that the film is transported in the longitudinal direction of the vat for a distance equal to the-length of one roller during a vertical zig-zag movement of said film from one of the up r rollers to the next adjacent upper ro er and means for feeding the film around the rollers.v

6. A machine for treating cinematograph films comprising a treating vat, two upper longitudinal shafts arranged in the. upper part of said vat on a level higher than the upper edge of said vat, an intermediate longitudinal shaft on a lower level than the upper shafts, two vlower longitudinal shafts normally situated in the bottom of said vat, means for supporting the lowerv shafts at a variable height, supporting frames for carrying the upper and intermediate shafts and the means supporting the lower shafts, said supporting frames being mounted independently of the vats, film supporting rollersplaced end to end upon said shafts and so arranged that the film is transported in the longitudinal direction of the vat for a distance equal to the length of one roller during a vertical zig-zag movement of said film from; one of the upper roller to the next adjacent upper roller and means forfeeding the film around the rollers.

In testimony whereof I have signed my name to this specification. f

GEORGES AUGUSTIN SALINS.- 

